Oral history interview with Alfred Isola conducted by Stephen Kalish on March 15, 1976 for the Ralph Roske Oral History Project on Early Las Vegas. Isola discusses Las Vegas, Nevada’s lack of a unified garbage system and how dumping sites have had to adjust their practices in order to limit their impact on pollution. Isola also explains the different disposal protocols for wet and dry trash.

Oral history interview with Hubert Sampley conducted by Karen Franke on February 24, 1980 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Sampley discusses moving to Las Vegas, Nevada in 1950. Sampley details his career at an oil refinery, farm, as well as his career in the U.S. Air Force. Sampley also describes the gaming industry.

Oral history interview with Irving Kirshbaum conducted by Cheryl Rogers on February 23, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Kirshbaum discusses the Riviera Hotel where he began working in 1955. He also talks about the landscape of the Las Vegas Strip in the 1950s, and the state of gambling, comps, customer service, and dealer training. Kirshabum discusses the treatment of minorities at the Riviera and in Las Vegas, Nevada generally.

Oral history interview with William Rehn conducted by Melissa Valentine on February 15, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Rehn discusses how he believes people have changed in Las Vegas, Nevada since he moved there in 1939. Rehn bemoans how African Americans were treated and segregated in Las Vegas, and describes his career as a political cartoonist. He describes clubs in Las Vegas and their connection to organized crime, as well as the inner workings of the casinos and their relation to the economy.

Oral history interview with Louise LeClair conducted by Dennis Luppens on March 21, 1978 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, LeClair talks about her family history in Nevada, and the flu epidemic of 1918. She specifically talks about Boulder (Hoover) Dam, Eldorado Fair, and how Las Vegas, Nevada has grown.

Oral history interview with Irwin Molasky conducted by A. D. Hopkins on June 08, 1999 for the Las Vegas Review-Journal First 100 Oral History Project. In the interview, Molasky discusses his early life in Ohio and moving around the United States before settling in Las Vegas, Nevada in 1951. He then talks about his company, the Molasky Group of Companies, and projects the company had been associated with. One project Molasky focuses on is the design and opening of Sunrise Hospital in 1958, located in Las Vegas. He recalls Nevada Senator Howard Cannon cutting the ribbon for the hospital's opening, as well as business partners for the hospital including Allard Rowan, Morris Barney "Moe" Dalitz, and Roy Cohn. Other Las Vegas projects Molasky discusses include the Boulevard Mall, Paradise Palms housing community, and the Bank of America Plaza near Fremont Street. Molasky also talks about a vocational outreach project he helped develop at the Irwin & Susan Molasky Junior High School. Lastly, Molasky talks about his personal hobbies and Las Vegas's urban growth.

Oral history interview with Maureen Preuit conducted by Michael Johnson on March 03, 1979 for the Ralph Roske Oral History Project on Early Las Vegas. In this interview, Preuit discusses her experiences in Las Vegas, Nevada. She talks about her experience working as a bar owner and bartender, places she resided in Las Vegas, and environmental changes that has happened during the 1960s and 1970s.